The Supermicro X8DTN+ is available from Calhoun Technologies. Calhoun Technologies can help your company save up to 80% on IT Hardware. Manufacturer: Supermicro Part Number: X8DTN+ Details: Supermicro X8DTN+ Lga1366 Dual Xeon- Intel 5520 Sockets Max 144Gb Ddr3 Extended Atx Motherboard For Server